Docking base for a portable computer



FIG. 1 is a top, front, right perspective view of a docking base for a portable computer on a reduced scale;

FIG. 2 is a top view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof. 

The ornamental design for a docking base for a portable computer, as shown and described. 